diff --git a/src/change.c b/src/change.c
index a9a9e73..42d4550 100644
--- a/src/change.c
+++ b/src/change.c
@@ -801,6 +801,7 @@
 
 /*
  * Marks the area to be redrawn after a change.
+ * Consider also calling changed_line_display_buf().
  */
     void
 changed_lines_buf(